On a drizzley morning, Miss Monochrome wakes up in her four and a half tatami-mat sized apartment. When she tries to change her battery, a leak in her roof causes her battery box to explode. What should appear from the smoke of the explosion but a good-looking guy in the form of a battery! Miss Monochrome and Battery-kun are shocked by this destined encounter. Thus begins their days of friendship.
I sense that they have
a stable electrical current.
أحسُّ بأنها لديها تيّار كهربائي مستقرّ
Ich fühle, dass sie
einen stabilen Strom liefern.
Produce una corriente estable.
Produce una corriente estable.
Je sens qu’elle a
une intensité stable.
Posso sentire la stabilità della loro energia.
Sinto uma corrente 
elétrica estável delas.